Effect of Preoperative Antianxiety Medications on Blood Pressure and Blood Loss in Total Knee Arthroplasty: A Case-Control Study

Table 1

Demographics of the patients and their comorbidities (n = 164 in the control group and n = 137 in the bromazepam group).

Variables	Control group		Bromazepam group		value
	Mean ± SD	Count (%)	Mean ± SD	Count (%)
Gender					0.258
Males		28 (17.1)		17 (12.4)
Females		136 (82.9)		120 (87.6)
Age (years)	67.94 ± 9.01		67.04 ± 7.43		0.346
Weight (kg)	85.55 ± 19.13		85.41 ± 14.51		0.941
Height (m)	160.04 ± 8.54		161.47 ± 6.30		0.105
Diagnosed with HTN, yes		106 (64.4)		101 (73.7)	0.090
Diagnosed with DM, yes		47 (40.2)		56 (40.9)	0.026
HB drop (g/dL)	1.65 ± 0.95		1.41 ± 0.75		0.016
Blood transfusion, yes		18 (11.0)		11 (8.0)	0.388

SD, standard deviation; HTN, hypertension; DM, diabetes mellitus; and HB, hemoglobin.